const list = [
   { id: 3, name: "张三丰" },
   { id: 5, name: "张无忌" },
   { id: 13, name: "杨逍" },
   { id: 33, name: "殷天正" },
   { id: 12, name: "赵敏" },
   { id: 97, name: "周芷若" },
];
for (let a of list) {

   if (a.name.startsWith("杨")){
      console.log("姓杨： "+a.name);
   }
   if (a.name.includes("天")){
      console.log("包含天："+a.name);
   }
   if (a.name==("周芷若")){
      console.log("周芷若的id为： "+a.id);
   }
}